@misc{indiciae7ff62d18f7c9,
  title = {Oblique map of the Southern California inner continental borderland},
  author = {Tau Rho Alpha},
  year = {1981},
  doi = {10.3133/ofr811312},
  url = {https://pubs.usgs.gov/publication/ofr811312},
  note = {Source identifier: ofr811312}
}